Fields: JO-MILL (SPRABERRY)
Cum Oil
7.7M BBL
Cum Gas
2.7M MCF
casinghead
Wells
103
Production
1993-01 — 2026-04
Peak Month
1998-05
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil: 7,675,112 BBL Cum Gas: 2,736,120 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
45,969 BBL/mo
Di (annual)
12.7%
b-factor
0.7
EUR
7,489,402 BBL
R-squared
0.933
type
hyperbolic
Operator History (from monthly production reports)
Wells (103)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 809 | 42-033-31921 | JO MILL OIL COMPANY LLC | 3 | 9,000 | 2010-09-09 |
| 701WS | 42-033-31976 | JO MILL OIL COMPANY LLC | 1 | 1,200 | 2005-10-10 |
| 0604WS | 42-033-31902 | JO MILL OIL COMPANY LLC | 1 | 1,200 | 2004-06-02 |
| 901WS | 42-033-31903 | JO MILL OIL COMPANY LLC | 1 | 1,200 | 2004-06-02 |
| 0603WS | 42-033-31901 | JO MILL OIL COMPANY LLC | 1 | 1,200 | 2004-05-26 |
| 909 | 42-033-31506 | JO MILL OIL COMPANY LLC | 2 | 7,600 | 2004-05-26 |
| 909W | 42-033-31506 | JO MILL OIL COMPANY LLC | 2 | 7,600 | 2004-05-26 |
| 919W | 42-033-31506 | JO MILL OIL COMPANY LLC | 2 | 7,600 | 2004-05-26 |
| 602 | 42-033-00675 | JO MILL OIL COMPANY LLC | 1 | 1,900 | 1999-06-04 |
| 602W | 42-033-00675 | JO MILL OIL COMPANY LLC | 1 | 1,900 | 1999-06-04 |
| 602WS | 42-033-00675 | JO MILL OIL COMPANY LLC | 1 | 1,900 | 1999-06-04 |
| 305 | 42-033-31072 | JO MILL OIL COMPANY LLC | 2 | 7,600 | 1999-05-28 |
| 305WS | 42-033-31072 | JO MILL OIL COMPANY LLC | 2 | 7,600 | 1999-05-28 |
| 412 | 42-115-32794 | JO MILL OIL COMPANY LLC | 2 | 8,800 | 1999-05-05 |
| 919R | 42-033-31716 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-04-16 |
| 923 | 42-033-31712 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-04-10 |
| 924 | 42-033-31713 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-04-10 |
| 614 | 42-033-31710 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-01-27 |
| 916 | 42-033-31709 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-01-26 |
| 920W | 42-033-31706 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-01-09 |
| 921 | 42-033-31707 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-01-09 |
| 922 | 42-033-31708 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1998-01-09 |
| 918 | 42-033-31705 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1997-12-31 |
| 917 | 42-033-31703 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1997-12-18 |
| 117 | 42-033-31680 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 207 | 42-033-31682 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 306 | 42-033-31681 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 408 | 42-115-32969 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 613 | 42-033-31683 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 912 | 42-033-31679 | JO MILL OIL COMPANY LLC | 2 | 8,000 | 1997-05-05 |
| 913 | 42-033-31678 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 914 | 42-033-31677 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-05-05 |
| 915W | 42-033-31676 | JO MILL OIL COMPANY LLC | 2 | 8,000 | 1997-05-05 |
| 409W | 42-115-32968 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-04-30 |
| 911 | 42-033-31675 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1997-04-30 |
| 611 | 42-033-31663 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1996-08-27 |
| 205 | 42-033-31662 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1996-08-21 |
| 206 | 42-033-31660 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1996-08-21 |
| 910 | 42-033-31661 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1996-08-21 |
| 612W | 42-033-31658 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1996-08-12 |
| 114 | 42-033-31618 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1995-06-30 |
| 116 | 42-033-31621 | JO MILL OIL COMPANY LLC | 1 | 7,600 | 1995-06-09 |
| 113 | 42-033-31616 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1995-05-24 |
| 115 | 42-033-31617 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1995-05-24 |
| 112 | 42-033-31290 | JO MILL OIL COMPANY LLC | 1 | 7,700 | 1987-06-15 |
| 609 | 42-033-31073 | JO MILL OIL COMPANY LLC | 1 | 7,600 | 1984-08-30 |
| 610 | 42-033-31074 | JO MILL OIL COMPANY LLC | 1 | 7,600 | 1984-08-30 |
| 705 | 42-033-30895 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1983-04-28 |
| 706 | 42-033-30896 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1983-04-28 |
| 805 | 42-033-30898 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1983-04-28 |
| 807 | 42-033-30897 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1983-04-28 |
| 806 | 42-033-30891 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1983-04-27 |
| 110 | 42-033-30643 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1980-12-31 |
| 110W | 42-033-30643 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1980-12-31 |
| 111 | 42-033-30644 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1980-12-31 |
| 109 | 42-033-30515 | JO MILL OIL COMPANY LLC | 1 | 8,000 | 1979-03-01 |
| 101W | 42-033-00673 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 102W | 42-033-00676 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 103W | 42-033-00679 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 105 | 42-033-00684 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 106 | 42-033-00686 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 107 | 42-033-00688 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 108W | 42-033-00690 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 1WS | 42-033-30144 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 201 | 42-033-00646 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 202 | 42-033-00647 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 203W | 42-033-00648 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 204 | 42-033-00649 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 204WS | 42-033-00649 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 2WS | 42-033-30143 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 301W | 42-033-00671 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 302 | 42-033-00674 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 303W | 42-033-00677 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 304 | 42-033-00680 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 404 | 42-115-00499 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 404W | 42-115-00499 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 405 | 42-115-00500 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 406W | 42-115-00501 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 407 | 42-115-10160 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 601W | 42-033-00672 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 603W | 42-033-00678 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 604 | 42-033-00681 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 604WS | 42-033-00681 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 605 | 42-033-00683 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 606W | 42-033-00685 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 607 | 42-033-00687 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 608 | 42-033-00689 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 701 | 42-033-00667 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 702 | 42-033-00668 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 703 | 42-033-00669 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 704W | 42-033-00670 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 801 | 42-033-00650 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 802WS | 42-033-00651 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 803 | 42-033-00652 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 804W | 42-033-00653 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 901 | 42-033-00576 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 902 | 42-033-00578 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 903 | 42-033-00580 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 904 | 42-033-00581 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 905W | 42-033-00582 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 906 | 42-033-00583 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 907W | 42-033-00584 | JO MILL OIL COMPANY LLC | -- | -- | -- |
| 908 | 42-033-00585 | JO MILL OIL COMPANY LLC | -- | -- | -- |